Attribute Presence Index

Document Information

1. Introduction

2. The Directory Server Access Control Model

3. Understanding the Directory Server Schema

4. Directory Server Index Databases

Kinds of Indexes

Attribute Equality Index

Attribute Presence Index

Attribute Substring Index

Attribute Ordering Index

Index Entry Limit

Search Evaluation

5. Understanding Directory Server Plug-Ins

6. Directory Server Replication

7. Directory Server Root Users and the Privilege Subsystem

8. Supported Controls and Operations

A presence index is a type of index that is used to keep track of the entries that have at least one value for a specified attribute. There is only a single presence index key per attribute, and its ID list contains the entry IDs for all entries that contain the specified attribute.

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Sun OpenDS Standard Edition 2.2 Architectural Reference